RegisterResult OnRegisterReceived(
	ISIPExtension extension,
	SIPAddress from,
	int expires
)

Function OnRegisterReceived ( 
	extension As ISIPExtension,
	from As SIPAddress,
	expires As Integer
) As RegisterResult

RegisterResult^ OnRegisterReceived(
	ISIPExtension^ extension, 
	SIPAddress^ from, 
	int expires
)

abstract OnRegisterReceived : 
        extension : ISIPExtension * 
        from : SIPAddress * 
        expires : int -> RegisterResult